.
Thread 4 (Thread 0xb64eeb40 (LWP 1750)):
#0  0xb778f424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6ec5020 in __GI___poll (fds=0xb5b03200, nfds=5, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0xb6ffeb7b in g_poll (fds=0xb5b03200, nfds=5, timeout=-1) at /build/buildd/glib2.0-2.31.20/./glib/gpoll.c:132
No locals.
#3  0xb6ff111e in g_main_context_poll (n_fds=5, fds=0xb5b03200, timeout=<optimized out>, context=0x844ea80, priority=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3412
        poll_func = 0xb6ffeb50 <g_poll>
#4  g_main_context_iterate (dispatch=1, block=-1224742064, context=0x844ea80, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3113
        timeout = -1
        some_ready = <optimized out>
        fds = 0xb5b03200
        max_priority = 2147483647
        nfds = 5
        allocated_nfds = <optimized out>
#5  g_main_context_iterate (context=0x844ea80, block=-1224742064, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3055
        some_ready = 5
#6  0xb6ff15db in g_main_loop_run (loop=0x844ea58) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#7  0xb71cb79a in gdbus_shared_thread_func (user_data=0x844ea68) at /build/buildd/glib2.0-2.31.20/./gio/gdbusprivate.c:276
        data = 0x844ea68
#8  0xb7014483 in g_thread_proxy (data=0x842a6c0) at /build/buildd/glib2.0-2.31.20/./glib/gthread.c:801
        thread = 0x842a6c0
#9  0xb6f94d4c in start_thread (arg=0xb64eeb40) at pthread_create.c:308
        __res = <optimized out>
        pd = 0xb64eeb40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1225105420, 0, 4001536, -1236344088, 745111814, 1127725319}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#10 0xb6ed376e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 3 (Thread 0xb3cffb40 (LWP 3852)):
#0  0xb778f424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6ec5020 in __GI___poll (fds=0xb3309bb0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0xb171a4b6 in poll_func (ufds=0xb3309bb0, nfds=2, timeout=-1, userdata=0x8755160) at pulse/thread-mainloop.c:69
        mutex = 0x8755160
        r = <optimized out>
#3  0xb170875a in pa_mainloop_poll (m=0x86fc700) at pulse/mainloop.c:875
        __func__ = "pa_mainloop_poll"
        __PRETTY_FUNCTION__ = "pa_mainloop_poll"
#4  0xb1708fb7 in pa_mainloop_iterate (m=0x86fc700, block=1, retval=0x0) at pulse/mainloop.c:957
        r = <optimized out>
        __func__ = "pa_mainloop_iterate"
        __PRETTY_FUNCTION__ = "pa_mainloop_iterate"
#5  0xb1709094 in pa_mainloop_run (m=0x86fc700, retval=0x0) at pulse/mainloop.c:975
        r = <optimized out>
#6  0xb171a43e in thread (userdata=0x86bfa00) at pulse/thread-mainloop.c:88
        m = 0x86bfa00
        mask = {__val = {2147483647, 4294967294, 4294967295 <repeats 30 times>}}
#7  0xb16c6156 in internal_thread_func (userdata=0x8685dd8) at pulsecore/thread-posix.c:83
        t = 0x8685dd8
#8  0xb6f94d4c in start_thread (arg=0xb3cffb40) at pthread_create.c:308
        __res = <optimized out>
        pd = 0xb3cffb40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1225105420, 0, 4001536, -1278217496, 776569101, 1127725319}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0xb6ed376e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 2 (Thread 0xb50ffb40 (LWP 1752)):
#0  0xb778f424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6ec5020 in __GI___poll (fds=0xb4700c78, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0xb6ffeb7b in g_poll (fds=0xb4700c78, nfds=1, timeout=-1) at /build/buildd/glib2.0-2.31.20/./glib/gpoll.c:132
No locals.
#3  0xb6ff111e in g_main_context_poll (n_fds=1, fds=0xb4700c78, timeout=<optimized out>, context=0x84564c8, priority=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3412
        poll_func = 0xb6ffeb50 <g_poll>
#4  g_main_context_iterate (dispatch=1, block=-1224742064, context=0x84564c8, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3113
        timeout = -1
        some_ready = <optimized out>
        fds = 0xb4700c78
        max_priority = 2147483647
        nfds = 1
        allocated_nfds = <optimized out>
#5  g_main_context_iterate (context=0x84564c8, block=-1224742064, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3055
        some_ready = 1
#6  0xb6ff15db in g_main_loop_run (loop=0xb4700c68) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#7  0xb5cc4f34 in dconf_context_thread (data=0x84564c8) at dconfcontext.c:11
        context = 0x84564c8
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#8  0xb7014483 in g_thread_proxy (data=0x8450090) at /build/buildd/glib2.0-2.31.20/./glib/gthread.c:801
        thread = 0x8450090
#9  0xb6f94d4c in start_thread (arg=0xb50ffb40) at pthread_create.c:308
        __res = <optimized out>
        pd = 0xb50ffb40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1225105420, 0, 4001536, -1257245976, -1370914560, 1127725319}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#10 0xb6ed376e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 1 (Thread 0xb6781840 (LWP 1746)):
#0  0xb778f424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6e181ef in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = <optimized out>
        resultvar = <optimized out>
        pid = -1225220108
        selftid = 1746
#2  0xb6e1b835 in __GI_abort () at abort.c:91
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7b, sa_sigaction = 0x7b}, sa_mask = {__val = {122, 3068463921, 0, 141166336, 122, 141003176, 0, 1, 3069747188, 3068211019, 3069751520, 3069751584, 3068206896, 141166336, 4222451712, 141166336, 141166437, 141166336, 141166336, 141166458, 141166636, 141166336, 141166636, 0, 0, 0, 0, 0, 3068202773, 0, 3069384019, 134217728}}, sa_flags = 0, sa_restorer = 0xbffc5bec}
        sigs = {__val = {32, 0 <repeats 31 times>}}
#3  0xb6e11095 in __assert_fail_base (fmt=0xb655a698 <Address 0xb655a698 out of bounds>, assertion=0xb6d3ea90 "!xcb_xlib_threads_sequence_lost", file=0xb6d3ecea "../../src/xcb_io.c", line=273, function=0xb6d3edd8 "poll_for_event") at assert.c:94
        str = 0x8678900 "\370\006j\bp\244\370\266ttings-daemon: ../../src/xcb_io.c:273: poll_for_event: asserzione \"!xcb_xlib_threads_sequence_lost\" non riuscita.\n"
        total = 4096
#4  0xb6e11147 in __GI___assert_fail (assertion=0xb6d3ea90 "!xcb_xlib_threads_sequence_lost", file=0xb6d3ecea "../../src/xcb_io.c", line=273, function=0xb6d3edd8 "poll_for_event") at assert.c:103
No locals.
#5  0xb6cc6bb6 in poll_for_event (dpy=0x842d818) at ../../src/xcb_io.c:270
        req = <optimized out>
        event = <optimized out>
        event_sequence = <optimized out>
        __PRETTY_FUNCTION__ = "poll_for_event"
#6  0xb6cc6bdf in poll_for_response (dpy=0x842d818) at ../../src/xcb_io.c:288
        response = 0x0
        error = 0x0
        req = <optimized out>
        __PRETTY_FUNCTION__ = "poll_for_response"
#7  0xb6cc73ef in _XEventsQueued (dpy=0x842d818, mode=2) at ../../src/xcb_io.c:362
        response = <optimized out>
#8  0xb6cb8188 in XPending (dpy=0x842d818) at ../../src/Pending.c:55
        ret_val = <optimized out>
#9  0xb6c27964 in gdk_check_xpending (display=0x8439000) at /build/buildd/gtk+3.0-3.3.16/./gdk/x11/gdkeventsource.c:268
No locals.
#10 0xb6c279d3 in gdk_event_source_check (source=0x843dbd0) at /build/buildd/gtk+3.0-3.3.16/./gdk/x11/gdkeventsource.c:299
        event_source = 0x843dbd0
        retval = <optimized out>
#11 0xb6ff0b1b in g_main_context_check (context=0x843dc18, max_priority=2147483647, fds=0x8675de8, n_fds=12) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:2995
        result = <optimized out>
        check = 0xb6c27970 <gdk_event_source_check>
        source = 0x843dbd0
        pollrec = <optimized out>
        n_ready = <optimized out>
        i = <optimized out>
#12 0xb6ff10b2 in g_main_context_iterate (dispatch=1, block=-1224742064, context=0x843dc18, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3115
        timeout = 780
        some_ready = <optimized out>
        fds = 0x8675de8
        max_priority = 2147483647
        nfds = 12
        allocated_nfds = <optimized out>
#13 g_main_context_iterate (context=0x843dc18, block=-1224742064, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3055
        some_ready = 12
#14 0xb6ff15db in g_main_loop_run (loop=0x85eb750) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#15 0xb73ef785 in gtk_main () at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkmain.c:1167
        loop = 0x85eb750
#16 0x0804ab77 in main (argc=1, argv=0xbffc5f64) at main.c:464
        res = <optimized out>
        error = 0x0